Jeffrey Herbert Knapp

CIK 1731828 · View on SEC EDGAR ↗

Insider

First SEC filing: Jan. 31, 2019 · Latest: Jan. 31, 2019

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 20 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

20 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Dec. 1, 2021 CLH S 1,000 $100.55 $100,550 2,853 Direct -25.95% Disposed 224.3% (price as of 2026-08-19)
Nov. 23, 2021 CLH S 458 $109.47 $50,137 3,853 Direct -10.62% Disposed 197.9% (price as of 2026-08-19)
Nov. 23, 2021 CLH S 503 $109.22 $54,938 5,311 Direct -8.65% Disposed 198.6% (price as of 2026-08-19)
Nov. 19, 2021 CLH S 1,000 $108.56 $108,560 4,311 Direct -18.83% Disposed 200.4% (price as of 2026-08-19)
March 19, 2020 CLH P 500 $32.80 $16,400 13,027 Direct +3.99% Acquired 894.1% (price as of 2026-08-19)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.